6-Inch Aluminum-Knuckle Lift Kit with M1 Shocks for Chevy/GMC 1500 4WD
- Fits 2014-2018 Chevy Silverado 1500 4WD, 2019 Silverado 1500 LD 4WD, and 2014-2018 GMC Sierra 1500 4WD
- Kit contents: aluminum control arm knuckle, M1 loaded strut pair, M1 monotube shock pair, crossmember box
- Excludes Denali and Denali Ultimate (Magnetic Ride Control) and eAssist ECO Hybrid trucks
- Tires wider than 295/60R20 call for offset wheels and possible trimming; larger tires need the 90009 speedometer calibrator
- Cutting and drilling required — downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Denali or Denali Ultimate models
- Models with eAssist (ECO Hybrid) package
Requires cutting and drilling. To ensure proper fit please confirm if the stock control arms are cast aluminum cast steel or stamped steel. To ensure adequate clearance when lowering the differential models equipped with a mass damper on the front differential must be removed. IMPORTANT! - Installation of larger tires will require Rough Country's Speedometer Calibrator SKU: 90009. Tire and Wheel Details If wider than 295/60R20 tires are used offset wheels will be required and trimming may be required. Please test fit wheels prior to installation. To retain factory wheels a 0.25" wheel spacer will be required SKU: 1065. Fitment on this page is based on the manufacturer’s application data.
About this kit
6-Inch Aluminum-Knuckle Lift Kit with M1 Shocks, fitment-checked
Rough Country 22740 is a 6-inch lift kit built around an aluminum control arm knuckle, an M1 loaded strut pair, and an M1 monotube shock pair, plus a high-clearance crossmember box. It covers 2014-2018 Chevy Silverado 1500 4WD, 2019 Silverado 1500 LD 4WD, and GMC Sierra 1500 4WD trucks. Denali, Denali Ultimate, and eAssist models are excluded.
The aluminum knuckle is what sets this 6-inch lift kit for 2014-2018 Chevy Silverado 1500 4WD, 2019 Silverado 1500 LD 4WD, and 2014-2018 GMC Sierra 1500 4WD apart: check whether your stock control arms are cast aluminum, cast steel, or stamped steel before you order. M1 loaded struts handle the front, an M1 monotube pair the rear. Cutting and drilling are part of the work, and a front differential mass damper has to come out for differential-lowering clearance. Factory 20-inch wheels can be retained with a 0.25 in wheel spacer, SKU 1065.
What’s in the box
Kit contents
- 1× Aluminum Control Arm Knuckle 1238BOX1
- 1× 6" Kit Box 227BOX1
- 1× Crossmember Box 229BOX2
- 1× M1 Loaded Strut Pair 502089$549.95
- 1× M1 MONOTUBE SHOCK PAIR 770739P
Priced components are sold separately here, so a worn shock or arm can be replaced on its own later.
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 22740 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 22740 |
| UPC / GTIN | 00840269917066 |
| Shock package | M1 series |
| Shipping weight | 220 lb |
| Country of origin | US |
| Category | Suspension & Lift Kits › Lift Kits |
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